Details of AMD's upcoming "Richland" APUs, a follow on to the Trinity A-series chips, have been leaked by a Chinese tech news site.

AMD will replace its current line-up of A-series Trinity processors later this year with the updated "Richland" APUs, which are expected to bring a 20 to 40 percent performance boost.

Chinese tech site Expreview has posted information which allegedly details the new silicon.

At the top end is the quad-core A10-6800K, which features a built in Radeon HD 8670D mobile GPU, and has a TDP of 100W. This is an unlocked version designed for overclocking.

Next there's the quad-core A8-6600K with Radeon HD 8570D integrated graphics. This part also has a TDP of 100W, as well as having unlocked multipliers.

Two 65W TDP quad-core variants called the A10-6700 and A8-6500. The A10-6700 is equipped with Radeon HD 8670D GPU, while the A8-6500 has Radeon HD 8570D GPU.

A pair of dual-core APUs is also listed, both with TDPs of 65W. These are the unlocked A6-6400K with Radeon HD 8470D integrated graphics, and the locked A4-6300 featuring Radeon HD 8430D integrated graphics.

The new APUs are based on an updated Trinity architecture and are built using the 32-nanometer process and Piledriver CPU architecture. However, compared to the Trinity parts, Richland are having higher clock speeds, updated Radeon HD 8000 series GPUs and faster DDR3-2133MHz dual-channel memory controllers.

We'll most probably learn more official information from AMD about the new APUs before CeBIT.